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Black hole eruption spanning 16 times the full Moon in the sky 5nvklj





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Black hole eruption spanning 16 times the full Moon in the sky

Dragon
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Post by Dragon Thu Dec 23, 2021 2:00 am

Astronomers have produced the most comprehensive image of radio emission from the nearest actively feeding supermassive black hole to Earth.

The emission is powered by a central black hole in the galaxy Centaurus A, about 12 million light years away.

As the black hole feeds on in-falling gas, it ejects material at near light-speed, causing 'radio bubbles' to grow over hundreds of millions of years.


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Black hole eruption spanning 16 times the full Moon in the sky 334pu7m
Dragon
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Post by Dragon Thu Dec 23, 2021 2:02 am

Black hole eruption spanning 16 times the full Moon in the sky Astronomers-capture-bl-2
Credit: Ben McKinley, ICRAR/Curtin and Connor Matherne, Louisiana State University

Centaurus A is a giant elliptical active galaxy 12 million light-years away.

At its heart lies a black hole with a mass of 55 million suns.

This image shows the galaxy at radio wavelengths, revealing vast lobes of plasma that reach far beyond the visible galaxy, which occupies only a small patch at the center of the image.

The dots in the background are not stars, but radio galaxies much like Centaurus A, at far greater distances.


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Black hole eruption spanning 16 times the full Moon in the sky 334pu7m
Dragon
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Post by Dragon Thu Dec 23, 2021 2:04 am

Black hole eruption spanning 16 times the full Moon in the sky Astronomers-capture-bl-3
Credit: Connor Matherne, Louisiana State University (Optical/Halpha), Kraft et al. (X-ray), Struve et al. (HI), Ben McKinley, ICRAR/Curtin. (Radio)

Centaurus A is a giant elliptical active galaxy 12 million light-years away.

At its heart lies a black hole with a mass of 55 million suns.

This composite image shows the galaxy and the surrounding intergalactic space at several different wavelengths.

The radio plasma is displayed in blue and appears to be interacting with hot X-ray emitting gas (orange) and cold neutral hydrogen (purple).

Clouds emitting Halpha (red) are also shown above the main optical part of the galaxy which lies in between the two brightest radio blobs.

The 'background' is at optical wavelengths, showing stars in our own Milky Way that are actually in the foreground.


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Black hole eruption spanning 16 times the full Moon in the sky 334pu7m
Dragon
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Post by Dragon Thu Dec 23, 2021 2:06 am



The Centaurus A black hole

The Event Horizon Telesco

pe (EHT) Collaboration observed the black hole at the heart of the nearby radio galaxy Centaurus A.
The image reveals how a gigantic jet is being born.

The outer edges of the jet seem to emit radiation, which challenges previous theoretical models of jets.

The black hole at the centre of the Centaurus A galaxy


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Black hole eruption spanning 16 times the full Moon in the sky 334pu7m
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Post by Dragon Thu Dec 23, 2021 2:08 am



Zoom Into Cannibal Galaxy Centaurus A

A new technique using near-infrared images, obtained with ESOs 3.58-meter New Technology Telescope (NTT), allows astronomers to see through the opaque dust lanes of the giant cannibal galaxy Centaurus A, unveiling its last meal in unprecedented detail — a smaller spiral galaxy, currently twisted and warped.

This amazing image also shows thousands of star clusters, strewn like glittering gems, churning inside Centaurus A.


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Black hole eruption spanning 16 times the full Moon in the sky 334pu7m

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